Public bug reported: Following the automated upgrade path from Precise to Trusty, libvirtd failed to load libvirt_driver_storage.so (and consequently libvirt_driver_qemu.so). In our case, this was fixed by installing librbd-dev (presumably due to librbd1 dependency).
Running "/etc/init.d/libvirt-bin restart" produced the following in libvirtd.log LIBVIRTD.LOG 2014-11-05 09:47:29.359+0000: 5755: info : libvirt version: 1.2.2 2014-11-05 09:47:29.359+0000: 5755: error : virDriverLoadModule:79 : failed to load module /usr/lib/libvirt/connection-driver/libvirt_driver_storage.so /usr/lib/libvirt/connection-driver/libvirt_driver_storage.so: undefined symbol: rbd_create3 2014-11-05 09:47:29.365+0000: 5755: error : virDriverLoadModule:79 : failed to load module /usr/lib/libvirt/connection-driver/libvirt_driver_qemu.so /usr/lib/libvirt/connection-driver/libvirt_driver_qemu.so: undefined symbol: virStorageFileStat The original version was the server install of Ubuntu 12.04. It has Zentyal installed, which manages most of the server features. The current version as given by lsb_release -rd: OS VERSION: Description: Ubuntu 14.04.1 LTS Release: 14.04 LIBVIRT VERSION: libvirt0 : 1.2.2-0ubuntu13.1.6 WHAT YOU EXPECTED TO HAPPEN: a) Running "virsh list" would show active VMs b) libvirt would load QEMU driver on start-up WHAT HAPPENED INSTEAD: a) Received error> error: no connection driver available for qemu:///system b) libvirt loaded without QEMU driver - error only visible in /var/log/libvirtd/libvirtd.log (shown above) ** Affects: libvirt (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in Ubuntu. https://bugs.launchpad.net/bugs/1389614 Title: libvirt lts upgrade misses librbd dependency To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1389614/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs